@keyframes ud {
  from {
    transform: translateY(-10px);
  }
  to {
    transform: translateY(10px);
  }
}
.content-part {
  h2 {
    font-size: 36px;
    font-weight: bold;
    color: #1c1f21;
  }
  em {
    position: relative;
    top: 20px;
    left: 10px;
    color: #1c1f21;
    float: left;
  }
  .hd {
    nav {
      float: right;
      width: 546px;
      ul {
        padding-top: 16px;

        li {
          float: left;
          margin-right: 16px;
          font-size: 14px;

          &:last-child {
            margin-right: 0;
          }

          a {
            color: rgba(0, 0, 0, 0.85);
          }

          &.current {
            border-bottom: 4px solid #20bd9a;
            padding-bottom: 4px;
            a {
              color: #20bd9a;
            }
          }
        }
      }
    }
  }
  img {
    transition: transform 0.4s ease 0s;
    &:hover {
      transform: scale(1.1);
    }
  }
  li {
    overflow: hidden;
    .picbox {
      height: 184px;
      overflow: hidden;
    }
  }

  .grid {
    overflow: hidden;
  }

  .more-grid {
    width: 264px;
    height: 270px;
    background-image: linear-gradient(180deg, #34e3bc 0%, #15af7a 98%);
    box-sizing: border-box;
    position: relative;

    a {
      display: block;
      height: 270px;
      padding-top: 46px;
      box-sizing: border-box;
    }
    p {
      text-align: center;
      color: white;
      line-height: 24px;
      font-size: 15px;
    }
    .iconfont {
      position: absolute;
      font-size: 48px;
      color: white;
      width: 48px;
      height: 48px;
      left: 50%;
      top: 118px;
      margin-left: -24px;
    }
    &:hover {
      .iconfont {
        animation: ud 0.4s ease 0s infinite alternate;
      }
    }

    ul {
      margin-top: 112px;
      padding-left: 40px;

      li {
        color: white;
        float: left;
        border-right: 1px solid white;
        padding: 0 9px;
        height: 14px;
        line-height: 14px;
        font-size: 14px;

        &:last-child {
          border-right: none;
        }
      }
    }
  }
}
